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Sony
Used

Sony ECM-77BPT Electret Condenser Lavalier Microphone without Power Unit or Connector, 40 Hz to 20 kHz Frequency Response

SKU: US 664219
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Sony ECM-77BPT: Picture 1 regular
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About the Sony ECM-77BPT

The Sony ECM-77 is a miniature omni-directional lavalier microphone designed for professional broadcast, sound reinforcement and recording applications. The condenser element features a miniature profile allowing it to be easily concealed in performance and broadcast situations. The omni-directional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.

The ECM-77 provides a wide frequency response of 40Hz - 20kHz. The wide frequency response enables the microphone to accurately reproduce audio signal from a wide variety of sources. The ECM-77 is manufactured with a variety of connectors to accommodate various input devices, this version is sold without a connection so that users can attach their own custom connections.

Sony ECM-77BPT Features

  • Omni-directional Pattern: The omni-directional pattern provides even sensitivity and frequency response at the direct and off-axis sections of the microphone capsule
  • Miniature Profile: The miniature, unobtrusive profile enables the microphone to be easily concealed in broadcast and performance situations
  • Unterminated Connection: The ECM series is available in a variety of connections, this version is sold without a connection so that users can attach their own custom connections

Sony ECM-77BPT Specifications

Capsule Type Electret Condenser
Frequency Response 40 Hz to 20 kHz
Directivity Omni-directional
Sensitivity -39.0 dB (11.2 mV)
Dynamic Range 90dB or more
S/N Ratio 64dB or more
Inherent Noise (0dB=20µPa) 30 dB SPL or less
Induction Noise 5 dB SPL or less
Wind Noise 40 dB SPL or less (with windscreen, at 2 m/s)
Max SPL (dB SPL)(0dB=20µP) 120 dB SPL
Connector BPT type. No connector (Pigtail)
Cable Length 9.8 feet / 2.98 m
Power Requirements DC 1.1 to 10.0V
Dimensions (LxDiameter) 0.5 x 0.25" (12.5 x 5.6mm) (Microphone head)
Weight 0.8 oz / 22.67 g
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